similar to: Linux Qos : PRIO qdisc works

Hello all, I might make a fool out of me, but I think the prio qdisc doesn''t work as advertised in any document I could lay my hands on. The following tests and observations were made with Linux kernel 2.6.20.21. This makes it up-to-date in the 2.6.20.x kernel family. My problem was that the link quality reported by the olsr.org olsrd degraded depending on the amount of payload

Hi all, Long email but please be patient :) I am part of EHAS [1], a non profit organization which main goal is to improve the Healthcare assistance in isolated rural areas in developing countries. Recently we have developed a long distance Wi-Fi network in Cuzco (Peru). This network provides connectivity to 12 nodes (they are in fact Health Centers). As VoIP is a essential service in this

Hi, I have done this setup to give the machine 192.168.1.4 (masqueraded over dialup) the highest priority: #! /bin/bash WHAT="add" iptables -A PREROUTING -i eth0 -s 192.168.1.1 -t mangle -j MARK --set-mark 1 iptables -A PREROUTING -i eth0 -s 192.168.1.4 -t mangle -j MARK --set-mark 4 tc qdisc $WHAT dev ppp0 root handle 1: prio bands 3 priomap 0 1 2 tc qdisc $WHAT dev ppp0 parent 1:1

Hello... Im trying to setup HTB to allow me to shape traffic from two upstreams that meets on single lan0 interface. I prefer to use HTB qdisc within HTB root qdisc for cleaner rules design. Seems that it doesnt work at all. tc -s class show doesnt show any traffic on other classes attached to HTB qdisc. Linux 2.6.20.7 iproute-2.6.20-070313 Weird thing is that tc -s class show that 1: and 2:

Hello all. I''ve been struggling to QoS VoIP at our site and have a successful implementation at this point. Basically I had to set aside enough bandwidth for VoIP by placing all other traffic behind an HTB (multiple classes and queues behind it). Everything is fine. Here''s the diagram: ------- | eth | ------- | --------

Hello, I''m still new in using tc...I wanna ask... 1. what is the difference between classless and classful qdisc?? when I made a qdisc, are I must create both of that qdisc...??? 2. what is the difference beetween three of the classless qdisc in linux redhat 2.4, sfq pfifo and tbf if I using the htb classful qdisc ??? because when I use htb classful qdisc it means I made a qdisc that

hello folks, this is my first post to that list. so I hope I am not completely OT here :-) reading the (excellent!) lartc and then writing my own qos-script I have still some open questions which I will try to formulate now: - "Now we can optionally attach queuing disciplines to the leaf classes. If none is specified the default is pfifo." - I can''t find info about Pfifo.

Im experimenting with using a Linux machine with 3 interfaces to operate as a core router. All links and network interfaces are 100mbit. Below is a ascii diagram of the network. (network A) edge router ------>core router---->edge router (network C) ^ | | edge router (network B) I have tried two

Hi, I''m work on traffic shaping and I would like to know if it''s possible to mix differents Queueing Disciplines ?? I would like to combine the proporties of a PRIO discipline with that of a CBQ discipline. I read some documentation and I found nothing about that, can you help me ? I think to try something like that : tc qdisc add dev $DEV root handle 1: cbq … tc class add dev

There are two Linux routers, a 64K leased line is used to connect these two machines. Now, we would like to run Voice over IP between two machines. We have to run QoS and tag voice packet''s TOS field, otherwise, the voice quality is terrible if we transfer file and make voice call at the same time. I am not familiar with tc in Linux. But I have copied a script from LARTC archives. If

Hello everyone! I''m simply trying to put a PRIO inside an HTB (used to throttle). I''ve got interactive traffic on the network that I want to give priority (VoIP + Citrix + Video). I''ve used the filters in a CBQ script fine, but am having trouble adjusting them to this setup such that they properly assign the traffic. tc qdisc del root dev $e tc qdisc add dev $e

Hi, I wanted to implement some QOS on my Linux Box with HTB, but after some time spend on the configuration and tests, I still don''t manage to have some correct results. Here are the details : -ROOT 2000 kbits -HIGHPRIO SUBCLASS 50 kbits prio 0 -SUBCLASS1 750 kbits prio 1 -SERVICE1 250 kbits prio 1

I have set up wrr successfully on my bridge/shaper machine. That much works fine. I originally used sfq in the inner classes. However, there was a problem with high-bandwidth connections (web downloads, bittorrent) starving low-bandwidth low-latency connections like ssh. I would like to use prio or similar to prioritize the interactive traffic, but it does not seem to work. I have tested with

Hi to all! I''m studying qdisc prio but I have some problems. I want to create 3 queue (3 bands prio), each one associated to a workstation. I mark (with iptables) packets using workstation mac address and then send all packets in a particular queue. qdisc prio with handle 10: (default priomap) WS1 -> queue 10:1 WS2 -> queue 10:2 WS3 -> queue 10:3 I set it correctly (with

Hello. Sorry for my poor english =) I have following config for traffic prioritization: tc qdisc add dev eth0 root handle 1: prio tc qdisc add dev eth0 parent 1:1 handle 10: tbf rate 7000kbit buffer 1600 latency 2msec tc qdisc add dev eth0 parent 1:2 handle 20: sfq tc qdisc add dev eth0 parent 1:3 handle 30: tbf rate 3000kbit buffer 1600 latency 50msec tc qdisc add dev eth1 root

Hi, I am attaching the patch for tc_class.c file in ./tc directory of iproute2 lastest version. This patch is to avoid segfault when listing classes. It happends only when using PRIO qdisc. I didn''t look why exactly it segfaults (guess becasue PRIO is classless), but this patch at least prevents it, so you can run the command and look what is happening to other classes. cd to iproute2

hello all, I was trying out the various queueing disciplines and i have problems with this basic one: Simple 3-bands Priority Scheduler --> sch_prio.c how i implemented it: #########START########## tc qdisc add dev eth1 root handle 1: prio tc filter add dev eth1 parent 1:0 prio 5 protocol ip u32 tc filter add dev eth1 parent 1:0 prio 5 protocol ip u32 tc filter add dev eth1 parent 1:0

Hi, I''m trying to set up 15 different delay intervals for packets leaving on an interface, using netems hanging off of a 16-band prio. I''m having trouble adding anything to bands higher than 10. Here''s what I tried: tc qdisc add dev eth0 root handle 1: prio bands 16 \ priomap 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 I want all default traffic to go to

Hi all, based on the information in the "Linux Advanced Routing & Traffic Control HOWTO", I was trying to set up traffic shaping on my firewall. While I found the HOWTO very useful, in the process I ran into some problems that I did not forsee: According to the HOWTO it seems that it should have worked, even after spending some time going through the sections looking for answers,

Hello there, I''m trying to do some prio qdisc, but it doesn''t seem to work. Can anybody tell me why ??? here is my simple prio qdisc script: OPTIONS="bandwidth 100mbit allot 1514 maxburst 20 prio 3 avpkt 1000" IPTABLES="/usr/local/bin/iptables.static" INTERNAL=eth0 EXTERNAL=eth1 tc qdisc del dev eth0 root 2>/dev/null tc qdisc add dev eth0 root handle